阅读说明：本技术 一种岩/矿棉离心机及其生产岩/矿棉的方法 (Rock/mineral wool centrifugal machine and rock/mineral wool production method thereof ) 是由 曹磊 潘建橹 于 2019-10-31 设计创作，主要内容包括：本发明一种岩/矿棉离心机及其生产岩/矿棉的方法,其中岩/矿棉离心机,包括：机座以及设置于所述机座上的四根离心辊；所述四根离心辊分别为第一辊、第二辊、第三辊和第四辊；其中,所述第二辊位于第一辊的一侧,第二辊的轴心与所述第一辊的轴心之间的高度差为-60～40mm；所述第三辊位于所述第一辊下方,且其轴心向靠近第二辊的一侧偏移。本发明的第二辊的轴心与所述第一辊的轴心之间的高度差为-60～40mm,第三辊位于所述第一辊下方,且其轴心向靠近第二辊的一侧偏移,这种结构使得四根离心辊均能成纤,并且生产过程中渣球少,大大提升了岩/矿棉离心机的成纤率。(The invention relates to a rock/mineral wool centrifuge and a method for producing rock/mineral wool by the rock/mineral wool centrifuge, wherein the rock/mineral wool centrifuge comprises the following steps: the centrifugal roller device comprises a base and four centrifugal rollers arranged on the base; the four centrifugal rollers are respectively a first roller, a second roller, a third roller and a fourth roller; the second roller is positioned on one side of the first roller, and the height difference between the axis of the second roller and the axis of the first roller is-60-40 mm; the third roller is positioned below the first roller, and the axle center of the third roller is deviated to one side close to the second roller. According to the invention, the height difference between the axis of the second roller and the axis of the first roller is-60-40 mm, the third roller is positioned below the first roller, and the axis of the third roller deviates towards one side close to the second roller, so that the four centrifugal rollers can form fibers, and the slag balls are few in the production process, thereby greatly improving the fiber forming rate of the rock/mineral wool centrifuge.)

1. A rock/mineral wool centrifuge, comprising:

the centrifugal roller device comprises a base and four centrifugal rollers arranged on the base;

the four centrifugal rollers are respectively a first roller, a second roller, a third roller and a fourth roller;

the second roller is positioned on one side of the first roller, and the height difference between the axis of the second roller and the axis of the first roller is-60-40 mm;

the third roller is positioned below the first roller, and the axle center of the third roller is deviated to one side close to the second roller.

2. A rock/mineral wool centrifuge as defined in claim 1, wherein:

the distance between the outer edge tangent lines of the opposite surfaces of the second roller and the first roller is 7.5-22 mm.

3. A rock/mineral wool centrifuge as defined in claim 1, wherein:

the horizontal distance between the axle center of the third roller and the axle center of the first roller is 20-120 mm.

4. A rock/mineral wool centrifuge as defined in claim 1, wherein:

the height difference between the axle center of the third roller and the axle center of the first roller is 290-390 mm.

5. A rock/mineral wool centrifuge as defined in claim 1, wherein:

the diameter of the fourth roller is not less than that of the third roller.

6. A rock/mineral wool centrifuge according to any one of claims 1 to 5, wherein:

establishing a coordinate system by taking the axis of the first roller as an origin, wherein the axis coordinate of the second roller is (-300mm +/-50 mm, -10mm +/-50 mm), the axis coordinate of the third roller is (-70mm +/-50 mm, -340mm +/-50 mm), and the axis coordinate of the fourth roller is (-430mm +/-50 mm, -480mm +/-50 mm);

or a coordinate system is established by taking the axis of the first roller as an origin, the axis of the second roller is (300mm +/-50 mm, -10mm +/-50 mm), the axis of the third roller is (70mm +/-50 mm, -340mm +/-50 mm), and the axis of the fourth roller is (430mm +/-50 mm, -480mm +/-50 mm).

7. A rock/mineral wool centrifuge according to any one of claims 1 to 5, wherein:

the diameter of the first roller is 260-328 mm; the diameter of the second roller is 296-355 mm; the diameter of the third roller is 313-377 mm; the diameter of the fourth roller is 329-381 mm.

8. A rock/mineral wool centrifuge as defined in claim 7, wherein:

the second roller diameter is greater than the first roller diameter.

9. A rock/mineral wool centrifuge as defined in claim 7, wherein:

the diameter of the first roller is 260-288 mm or 288-318 mm; the diameter of the second roller is 296 mm-325 mm or 325 mm-355 mm; the diameter of the third roller is 313-343 mm or 343-377 mm; the diameter of the fourth roller is 329 mm-352 mm or 352 mm-381 mm.

10. A method for producing rock/mineral wool by a rock/mineral wool centrifuge, which is characterized by comprising the following steps: using the rock/mineral wool centrifuge of any one of claims 1 to 9, melt falls onto the first roller and flows between the second roller, the third roller and the fourth roller, the first roller, the second roller, the third roller and the fourth roller being capable of fiberizing.

Technical Field

The invention relates to a rock/mineral wool centrifuge and a method for producing rock/mineral wool by using the same.

Background

At present, rock/mineral wool is widely applied to heat insulation materials of building walls, and rock/mineral wool fiber forming equipment is important equipment for determining the yield and the quality of the rock/mineral wool. The four-roller fiberizing centrifuge is the most used rock/mineral wool fiberizing equipment in the market at present, and comprises four centrifuging rollers, as shown in figure 1, the four centrifuging rollers are a first roller 1, a second roller 2, a third roller 3 and a fourth roller 4 respectively, the diameters of the traditional centrifuging rollers are all 180 plus 230 mm, wherein the first roller 1 is a receiving roller for receiving a molten mass; the second roller 2 is positioned below the first roller 1, has a height difference of more than 110mm, and is used for guiding and throwing the molten mass onto the third roller 3; the third roller 3 is positioned below the first roller 1, and the axis of the third roller deviates to one side far away from the second roller 2 and is used for forming fiber; the fourth roller 4 is positioned below the second roller and is used for deslagging and fiber forming. Because only two rollers are used for forming fibers, the fiber forming rate of rock/mineral wool is limited by the arrangement mode and the diameter design, and the slag balls are more, namely the yield and the quality of the rock/mineral wool are limited, so that the current rock/mineral wool yield can only reach 4 tons/hour at most, and the breakthrough cannot be made.

Disclosure of Invention

The object of the present invention is to provide a high-yield rock/mineral wool centrifuge and a method for producing rock/mineral wool.

The technical scheme for realizing the purpose of the invention is as follows: a rock/mineral wool centrifuge comprising: the centrifugal roller device comprises a base and four centrifugal rollers arranged on the base; the four centrifugal rollers are respectively a first roller, a second roller, a third roller and a fourth roller; the second roller is positioned on one side of the first roller, and the height difference between the axis of the second roller and the axis of the first roller is-60-40 mm; the third roller is positioned below the first roller, and the axle center of the third roller is deviated to one side close to the second roller.

Furthermore, two sides of the base are in a panda face shape, namely two side surfaces are formed by connecting two end arcs; the four sections of circular arcs are coaxially arranged on the four centrifugal rollers respectively.

Further, the distance between the second roller and the outer edge tangent line of the first roller opposite surface is 7.5-22 mm.

Further, the horizontal distance between the axle center of the third roller and the axle center of the first roller is 20-120 mm.

Further, the height difference between the axle center of the third roller and the axle center of the first roller is 290-390 mm.

Further, the fourth roller diameter is not less than the third roller diameter.

Further, a coordinate system is established by taking the axis of the first roller as an origin, the axis coordinate of the second roller is (-300mm +/-50 mm, -10mm +/-50 mm), the axis coordinate of the third roller is (-70mm +/-50 mm, -340mm +/-50 mm), and the axis coordinate of the fourth roller is (-430mm +/-50 mm, -480mm +/-50 mm);

or a coordinate system is established by taking the axis of the first roller as an origin, the axis of the second roller is (300mm +/-50 mm, -10mm +/-50 mm), the axis of the third roller is (70mm +/-50 mm, -340mm +/-50 mm), and the axis of the fourth roller is (430mm +/-50 mm, -480mm +/-50 mm).

Further, the diameter of the first roller is 260-328 mm; the diameter of the second roller is 296-355 mm; the diameter of the third roller is 313-377 mm; the diameter of the fourth roller is 329-381 mm.

Further, the second roll diameter is greater than the first roll diameter.

Further, the diameter of the first roller is 260-288 mm or 288-318 mm; the diameter of the second roller is 296 mm-325 mm or 325 mm-355 mm; the diameter of the third roller is 313-343 mm or 343-377 mm; the diameter of the fourth roller is 329 mm-352 mm or 352 mm-381 mm.

Further, the rotating speed of the first roller during working is set to be 3000-7500 revolutions per minute, the rotating speed of the second roller during working is set to be 4000-7500 revolutions per minute, the rotating speed of the third roller during working is set to be 5000-12000 revolutions per minute, and the rotating speed of the fourth roller during working is set to be 5000-12000 revolutions per minute.

The method for producing the rock/mineral wool by the rock/mineral wool centrifugal machine comprises the following steps: the melt falls onto the first roller and flows between the second roller, the third roller and the fourth roller, and the first roller, the second roller, the third roller and the fourth roller can be fiberized.

Further, the first roll begins to fiberize and the second, third and fourth rolls each fiberize substantially.

The invention has the positive effects that: (1) according to the invention, the height difference between the axis of the second roller and the axis of the first roller is-60-40 mm, the third roller is positioned below the first roller, and the axis of the third roller deviates towards one side close to the second roller, so that the four centrifugal rollers can form fibers, and the slag balls are few in the production process, thereby greatly improving the fiber forming rate of the rock/mineral wool centrifuge.

(2) Compared with the traditional rock/mineral wool centrifuge, the four centrifuge rollers are arranged at intervals, so that the fiber forming range is improved, the fiber forming is more uniform, and the product quality is better.

(3) Compared with the traditional rock/mineral wool centrifuge, the diameter of the four centrifugal rollers is increased, the diameters of the four centrifugal rollers are not uniform, the fiber forming rate can be further improved, the surface density of the primary felt can be reduced, the drawing strength and the compression strength of the rock/mineral wool board are improved, the yield of the rock/mineral wool centrifuge can reach 8 tons/hour at most, and the upper limit of the yield of the traditional rock/mineral wool centrifuge is greatly broken through.

(4) Compared with the traditional rock/mineral wool centrifuge, the rotating speed of the four centrifugal rollers is increased, so that finer rock/mineral wool fibers can be obtained, the heat conductivity coefficient of the finer fibers can be reduced, the heat preservation effect of the rock/mineral wool product is better, and the product quality is further improved.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which

FIG. 1 is a schematic diagram of an existing rock/mineral wool centrifuge with four centrifuge roller arrangements and a rock/mineral wool run.

Fig. 2 is a schematic view of the arrangement of four centrifuge rollers of the rock/mineral wool centrifuge according to the invention.

Detailed Description

(example 1)

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships that are usually placed when the product of the present invention is used, or orientations or positional relationships that are conventionally understood by those skilled in the art, which are used for convenience of description and simplicity of description, but do not indicate or imply that the equipment or element in question must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 2, the rock/mineral wool centrifuge of the present embodiment comprises: a frame 5 and four centrifugal rollers arranged on the frame 5. The four centrifugal rollers are respectively a first roller 1, a second roller 2, a third roller 3 and a fourth roller 4.

Wherein the second roller 2 is positioned at one side of the first roller 1, and the height difference between the axis of the second roller 2 and the axis of the first roller 1 is-60-40 mm. The third roller 3 is located below the first roller 1, and the axis thereof is offset to a side close to the second roller 2. The interval between the outer edge tangent lines of the opposite surfaces of the second roller 2 and the first roller 1 is 7.5-22 mm, the horizontal interval between the axle center of the third roller 3 and the axle center of the first roller 1 is 20-120 mm, the height difference between the axle center of the third roller 3 and the axle center of the first roller 1 is 290-390 mm, and the interval is arranged, so that the fiber forming range is improved, and the fiber forming is more uniform.

A coordinate system is established by taking the axis of the first roller 1 as an origin, the axis of the second roller 2 is (-300mm +/-50 mm, -10mm +/-50 mm), the axis of the third roller 3 is (-70mm +/-50 mm, -340mm +/-50 mm), and the axis of the fourth roller 4 is (-430mm +/-50 mm, -480mm +/-50 mm). Under the coordinate system, the four centrifugal rollers can form fiber.

The diameter of the first roller 1 is 260-328 mm. The diameter of the second roller 2 is 296-355 mm, and the diameter of the second roller 2 is larger than that of the first roller 1. The diameter of the third roller 3 is 313-377 mm. The diameter of the fourth roller 4 is 329-381 mm, and the diameter of the fourth roller 4 is not less than that of the third roller 3. The diameter of four centrifugal rollers is increased, the diameter of the four centrifugal rollers is not uniform, the fiber forming rate can be further improved, the surface density of a felt can be reduced, the drawing strength and the compressive strength of the rock/mineral wool centrifugal machine are improved, the yield of the rock/mineral wool centrifugal machine can reach 8 tons/hour at most, and the upper limit of the yield of the existing rock/mineral wool centrifugal machine is greatly broken through.

The working speeds of the four centrifugal rollers are respectively as follows: the rotating speed of the first roller 1 during working is set to be 3000-7500 revolutions per minute, the rotating speed of the second roller 2 during working is set to be 4000-7500 revolutions per minute, the rotating speed of the third roller 3 during working is set to be 5000-12000 revolutions per minute, and the rotating speed of the fourth roller 4 during working is set to be 5000-12000 revolutions per minute. Under this rotational speed setting, rock/mineral wool fibre is thinner, and thinner fibre can reduce coefficient of heat conductivity for the heat preservation effect of rock/mineral wool product is better, has effectively promoted product quality.

The two side surfaces of the base 5 are formed by connecting circular arcs at two ends, and the preferred scheme of the four circular arcs is that the four circular arcs are respectively and coaxially arranged with four centrifugal rollers.

The method for producing rock/mineral wool by the rock/mineral wool centrifuge comprises the following steps: the melt fell on the first roll 1 and flowed between the second roll 2, the third roll 3 and the fourth roll 4, and the first roll 1, the second roll 2, the third roll 3 and the fourth roll 4 were all capable of forming fibers. Specifically, the first roll 1 begins to fiberize and the second, third and fourth rolls 2, 3, 4 each fiberize in large amounts. Because the four centrifugal rollers can form fiber, the fiber forming rate of the rock/mineral wool centrifugal machine is greatly improved.

Two sets of different diameter rock/mineral wool centrifuges were tested as follows:

a first group: the diameter of the first roller 1 is 260-288 mm, the diameter of the second roller 2 is 296-325 mm, the diameter of the third roller 3 is 313-343 mm, and the diameter of the fourth roller 4 is 329-352 mm. Tests show that the yield of the rock/mineral wool centrifuge under the group of diameters can reach 4-6 tons/hour.

Second group: the diameter of the first roller 1 is 288 mm-318 mm, the diameter of the second roller 2 is 325 mm-355 mm, the diameter of the third roller 3 is 343 mm-377 mm, and the diameter of the fourth roller 4 is 352 mm-381 mm. Tests show that the yield of the rock/mineral wool centrifuge under the group of diameters can reach 6-8 tons/hour.

(example 2)

This embodiment is substantially the same as embodiment 1 except that: a coordinate system is established by taking the axis of the first roller 1 as an original point, the axis of the second roller 2 is (300mm +/-50 mm, -10mm +/-50 mm), the axis of the third roller 3 is (70mm +/-50 mm, -340mm +/-50 mm), and the axis of the fourth roller 4 is (430mm +/-50 mm, -480mm +/-50 mm).

The positions of the four centrifugal rollers in this example are mirror images of the positions of the four centrifugal rollers in the example, as compared with example 1.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.